Jyoti Mechanical Movement

What is a Z purlin?Z purlins resemble the shape of a letter "Z" and are also referred to as Zee or Zed purlins. They are roof framing members that span parallel to the building eave and support the roof decking or sheeting. The metal purlins are in turn supported by rafters or walls.Like the Z purlin, the C purlin takes its name from its shape. The C may be used as a purlin, girt, base channel and the framing for framed openings. C Purlins can also be used as columns and rafters for end wall framing or the framework for an entire building